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Finding the Fourth Proportional to 238,983.94, 358,534.23 and 72,771.94

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Solution

The fourth proportional to 238,983.94, 358,534.23 and 72,771.94 is: 109,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,983.94 : 358,534.23 = 72,771.94 : x
  2. Step 2: Convert to fraction form
    238,983.94/358,534.23 = 72,771.94/x
  3. Step 3: Cross multiply
    238,983.94x = 358,534.23 × 72,771.94
  4. Step 4: Simplify right side
    238,983.94x = 26,091,231,473.51
  5. Step 5: Solve for x
    x = 26,091,231,473.51/238,983.94
  6. Step 6: Final answer
    x = 109,175.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.